Question

Motion of the needle of a swing machine is
(a) Circular motion
(b) Rectilinear motion
(c) Periodic motion
(d) All of above.
hodou of an nhiect gives an idea about its​

Answer 1

Answer:

a

Step-by-step explanation:

hope it helps you ........

Answer 2

the sewing machine has also the needle which moves up and down continuously.so the needle undergoes a periodic movement.

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